TUTORIAL

Dolphy A. Fernandes

Computer Science & Engg.

IIT Bombay

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Why XML ?

• XML is a data representation language

• XML “describes” data

• XML can be used to share & store data

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XML Schema

Information Modeling Syntax in XML

a

b

x

y

XML Schema

<a>

<b>

<x>…</x>

<y>…</y>

</b>

</a>XML instance

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If your data is structured asXML and there is a schema,then you can hand the data-checking task off to a schema validator.

Thus, your code is reducedby up to 60%!!!

Save $$$.. using XML Schema

Code to check

the structure

and contentof the data

Code to actuallydo the work

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®

• Altova has the largest user-base of any XML product in the market

• All Altova XML products are based on established standards released by the W3C

• It includes powerful viewing and editing tools

Altova XMLSpy

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Designing

Generating

Converting

Documenting

Validating

View Schemas

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XmlSpy’s integrated Views

• Advanced Text view

– Allows customized syntax color, book-marking and line numbers

– Source folding that helps expand and collapse portions of file

– Code completion automatically generates closing tags

– In case of schema, it suggests a list of occurable components in Xml

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• Grid view

– Allows you to visualize and edit your documents in a graphical manner

– Also allows drag-n-drop and expand-collapse of elements

– Append data, insert data, sort alphabetically in a table-like structure

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• Authentic view

– They have web-page look used for accepting data

– Helps non-technical users to get data into an xml format quickly and easily.

– Authentic forms are created by Altova StyleVision

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• Browser view

– Can be used to view xml documents

– Used to view html files those that are created from an xml file using an XSLT Stylesheet

– Documentations generated by Xml Spy can be viewed in Browser view

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• Schema View

Schema Overview– Displays a list of all global components in top pane

– Displays attributes and identity constraints in bottom pane

Content Model view– It consists of compositors and components

– It provides the content model of an element in a graphical way

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Creating a basic schema

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Creating a basic schema

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Creating a basic schema

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Creating a global complex type

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Extending a complex type definition

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Referencing global elements

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Attributes and attribute enumerations

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Specifying the type in Xml

To specify that the Address element must conform to one of the extended Address types i.e. IN-Address or

UK-Address rather than the generic AddressType

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Working with databases

Export to Database

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Import Database data

Working with databases

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References

[1] Altova. World Wide Web, http://www.altova.com

[2] O’Reilly xml.com. World Wide Web, http://www.xml.com

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Thank You